1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Display the PowerPC BAT Registers
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <inttypes.h>
#include <string.h>
#include <bsp.h>
#include <rtems/bspIo.h>
#include <libcpu/spr.h>
#include <libcpu/powerpc-utility.h>
void printBAT( int bat, uint32_t upper, uint32_t lower )
{
uint32_t lowest_addr;
uint32_t size;
printk("BAT%d raw(upper=0x%08" PRIx32 ", lower=0x%08" PRIx32 ") ", bat, upper, lower );
lowest_addr = (upper & 0xFFFE0000);
size = (((upper & 0x00001FFC) >> 2) + 1) * (128 * 1024);
printk(" range(0x%08" PRIx32 ", 0x%08" PRIx32 ") %s%s %s%s%s%s %s\n",
lowest_addr,
lowest_addr + (size - 1),
(upper & 0x01) ? "P" : "p",
(upper & 0x02) ? "S" : "s",
(lower & 0x08) ? "G" : "g",
(lower & 0x10) ? "M" : "m",
(lower & 0x20) ? "I" : "i",
(lower & 0x40) ? "W" : "w",
(lower & 0x01) ? "Read Only" :
((lower & 0x02) ? "Read/Write" : "No Access")
);
}
void ShowBATS(void){
uint32_t lower;
uint32_t upper;
__MFSPR(536, upper); __MFSPR(537, lower); printBAT( 0, upper, lower );
__MFSPR(538, upper); __MFSPR(539, lower); printBAT( 1, upper, lower );
__MFSPR(540, upper); __MFSPR(541, lower); printBAT( 2, upper, lower );
__MFSPR(542, upper); __MFSPR(543, lower); printBAT( 3, upper, lower );
}
|
